GPTvsGemini

GPT 5.6 Terra vs Gemini 3.5 Flash-Lite

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

GPT 5.6 Terra

Mid-tier

Gemini 3.5 Flash-Lite

Fast / Budget
Input $/MTok
$2.00
$0.30
Output $/MTok
$12.00
$2.50
Cache discount
90% off
90% off
Context
922K
1.0M

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
64
vs
58
Code Review
84
vs
52
Summarization
64
vs
67
Q&A
92
vs
78
Extraction
75
vs
69
Reasoning
91
vs
60
Classification
89
vs
85
Creative Writing
67
vs
67
GPT 5.6 Terra
Gemini 3.5 Flash-Lite

Guidance

When to use GPT 5.6 Terra vs Gemini 3.5 Flash-Lite

Choose GPT 5.6 Terra when...

  • -You need strong q&a (confidence 92 vs 78)
  • -You need strong reasoning (confidence 91 vs 60)
  • -You need strong classification (confidence 89 vs 85)
  • -You need strong code review (confidence 84 vs 52)

Choose Gemini 3.5 Flash-Lite when...

  • -You need strong summarization (confidence 67 vs 64)
  • -Cost matters: 85% cheaper on input tokens
  • -You need a larger context window (1.0M vs 922K)

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.6 Terra
Gemini 3.5 Flash-Lite
100K tokens
$0.50
$0.10Cheaper
1M tokens
$8.20
$0.96Cheaper
10M tokens
$82.00
$9.60Cheaper

FAQ

When should I use GPT 5.6 Terra instead of Gemini 3.5 Flash-Lite?

GPT 5.6 Terra outperforms Gemini 3.5 Flash-Lite for Code Generation, Code Review, Q&A. It costs $2.00/$12.00 per million tokens (input/output).

Is Gemini 3.5 Flash-Lite cheaper than GPT 5.6 Terra?

Yes. Gemini 3.5 Flash-Lite input costs $0.30/MTok vs $2.00/MTok for GPT 5.6 Terra, saving 85% on input.

What are the context window sizes for GPT 5.6 Terra and Gemini 3.5 Flash-Lite?

GPT 5.6 Terra has a 922K token context window. Gemini 3.5 Flash-Lite has a 1.0M token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.